Home / 80,922.62-111,675.12-45,111.72

Finding the Fourth Proportional to 80,922.62, 111,675.12 and 45,111.72

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Solution

The fourth proportional to 80,922.62, 111,675.12 and 45,111.72 is: 62,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.62 : 111,675.12 = 45,111.72 : x
  2. Step 2: Convert to fraction form
    80,922.62/111,675.12 = 45,111.72/x
  3. Step 3: Cross multiply
    80,922.62x = 111,675.12 × 45,111.72
  4. Step 4: Simplify right side
    80,922.62x = 5,037,856,744.41
  5. Step 5: Solve for x
    x = 5,037,856,744.41/80,922.62
  6. Step 6: Final answer
    x = 62,255.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.